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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Test method for adhesion to substrate of ink with tape
Standard published on 6.8.2023
Selected format:Test method for blocking resistance of liquid ink
Standard published on 19.3.2009
Selected format:Scandium oxide
Standard published on 13.7.2018
Selected format:Determination of particle size distribution of fine powder--Method of sieve classfication with sonic wave
Standard published on 5.10.1991
Selected format:Nanometer powder--Determination of particle size distribution--Small angle X-ray scattering method
Standard published on 29.9.2004
Selected format:Emission standard of air pollutants for thermal power plants
Standard published on 29.9.2011
Selected format:Test methods for industrial detonating cord
Standard published on 30.10.1991
Selected format:Determination of delay time of industrial detonator
Standard published on 30.10.1991
Selected format:Lead plate test for industrial detonator
Standard published on 30.10.1991
Selected format:Water-dipping test of industrial detonator
Standard published on 30.10.1991
Selected format:Latest update: 2026-04-01 (Number of items: 2 270 267)
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